Network Security Engineer

• Operate firewalls, ACLs, segmentation, and network security controls across data center, corporate, and AWS environments.
• Remotely support data center network deployment, configuration, troubleshooting, maintenance, and lifecycle management in partnership with on-site teams.
• Implement and maintain segmentation, firewall, and ACL policies across corporate, compute, customer, and infrastructure environments.
• Manage inbound and outbound network controls, including public exposure, NAT, load balancers, DNS filtering, proxies, and egress policies.
• Implement and operate VPN, ZTNA, NAC, Wi‑Fi, and vendor or partner connectivity.
• Perform recurring firewall rule reviews, segmentation audits, and remediation of unnecessary network exposure.
• Automate network and security workflows using Terraform, Ansible, Git Ops, Python, and policy as code.
• Support network telemetry, detection, investigation, and containment in partnership with Security Operations.
• Troubleshoot routing, switching, TCP/IP, DNS, TLS, and cloud networking issues.
• Maintain network architecture documentation, procedures, and runbooks.
• Coordinate remote changes and incident response across distributed infrastructure and engineering teams.

• 7+ years of experience in network security, network engineering, cloud security, or infrastructure security.
• Strong hands‑on experience with firewalls, ACLs, segmentation, routing, switching, VPNs, and network troubleshooting.
• Experience supporting data center and on‑premises network infrastructure, including working effectively with remote hands.
• Experience with AWS networking, including VPCs, transit gateways, security groups, and load balancers.
• Experience with Palo Alto, Juniper, Cloudflare, or similar platforms.
• Proficiency with Terraform, Ansible, Python, Git Ops, or similar automation tools.
• Strong understanding of ZTNA, NAC, egress controls, TCP/IP, DNS, and TLS.
• Strong written communication and documentation skills.
• Ability to operate independently in a remote environment and collaborate across time zones.
• Ability to travel occasionally to Cerebras offices or data centers as business needs require.

• AI, HPC, or large‑scale compute environments.
• Data center networking and security.
• AWS network security and segmentation.
• ZTNA and VPN architectures.
• DNS filtering, SWG, proxy, or SASE platforms.
• Vendor and partner connectivity.
• Public exposure and attack surface remediation.
• Network detection and incident response.
• Remote operation of geographically distributed network infrastructure.

People who are serious about software make their own hardware. At Cerebras, we have built a breakthrough architecture that is unlocking new opportunities for the AI industry. With dozens of model releases and rapid growth, we've reached an inflection point in our business. Members of our team tell us there are five main reasons they joined Cerebras:

Find out more about what it's like to work at Cerebras here (https://(Use the "Apply for this Job" box below).).

Cerebras Systems is committed to creating an equal and diverse environment and is proud to be an equal opportunity employer. We celebrate different backgrounds, perspectives, and skills. We believe inclusive teams build better products and companies. We try every day to build a work environment that empowers people to do their best work through continuous learning, growth and support of those around them.

This website or its third‑party tools process personal data. For more details,  () to review our CCPA disclosure notice.